class Bundler::Source::Path::Installer

def generate_bin
  return if spec.executables.nil? || spec.executables.empty?
  super
  if Bundler.requires_sudo?
    SharedHelpers.filesystem_access(@gem_bin_dir) do |p|
      Bundler.mkdir_p(p)
    end
    spec.executables.each do |exe|
      Bundler.sudo "cp -R #{@bin_dir}/#{exe} #{@gem_bin_dir}"
    end
  end
ensure
  Bundler.rm_rf(@tmp_dir) if Bundler.requires_sudo?
end